Who Killed Rosanne Boyland?

Three days after Rosanne Boyland dies at the Capitol riot, host Ayman Mohyeldin gets a message from an old high school friend, Justin Cave. Justin tells Ayman that he’s Rosanne’s brother-in-law, and says the family believes she was radicalized in just a few months. Now they want to know how it happened—and they ask Ayman for help.